What does that do?

mrwoppit · Nov 10, 2012

OK, I've tried looking and can't find any explanation of my series 3 dash, which is fine as most things make perfect sense. Let's face it, there's not exactly a bewildering array of toys on there.

However one thing has got me stumped and I've been unable to trace it from the back of the dash to make an educated guess.

I've included a picture below.

I know it's not the hazards, which was my first guess, as I have hazards in the middle of the dash. A choke doesn't make sense, not least because it appears to be on and off rather than variable.

So, can anyone clue me in on what seems like it should be blindingly obvious?

The Mad Hat Man · Nov 10, 2012

Spot lights, fog lights, reversing lights, work lights?

Removed lights?

Check the wire colours. Bet they are red or black

.

sm0129 · Nov 10, 2012

Ejector seat? Economy mode?

Trewey · Nov 10, 2012

On my old S3 109, that was a rear fog light.

mrwoppit · Nov 10, 2012

Ah! Fog light. I do have one but pulling that doesn't turn it on. So perhaps the bulb has gone. Will go check. Thanks for the suggestions!

Dippypud · Nov 10, 2012

We had an old series 3 greenhouse ...

and there was a toggle switch that used to isolate the ignition ...

and if you were careless going round corners you'd catch it with the sleeve of yer jacket and turn the fecker off ...

coasting to a stop just as you come off a roundabout is not good fun for a bird driving a big Landy ...

some of the following drivers were not nice ...

oxides · Nov 10, 2012

On mine it's where the dash illumination switch sits - but it could be for anything!

mrwoppit · Nov 10, 2012

Well, there's nothing wrong with the fog light bulb and assembly as far as I can see and it definitely doesn't light up when that is pulled. Of course I can't find anything that lights the fog light, so it may just be that the fault lies between the light unit and the switch somewhere :S

Trewey · Nov 10, 2012

It should be wired so that the fog light only comes on when the headlights are on too.

Ash1 · Nov 10, 2012

On mine the dashboard lights are on that switch

Big Mat · Nov 10, 2012

Dashboard light switch is in that spot on mine!

Imortalrelic · Nov 11, 2012

Dash board on mine but why you would need an indicator that the dash lights are on?
Have you interrior lights?
Or has the dual brake warning/test switch been wired to here?

nrgserv · Nov 11, 2012

station wagon had a 3 position switch there.
-off
-dash lights
-dash lights and interior light

but the sidelights had to be on for either to work.

mrwoppit · Nov 12, 2012

OK, I've done some more investigation and basically I'm none the wiser.
I have no interior lights, it doesn't light the dash, or any of the other excellent suggestions people have made.
If it does anything, then I'm guessing the bulb has gone for whatever it is.
So, I'm not going to worry about it.
Thanks for the suggestions anyway.

nrgserv · Nov 12, 2012

if you have a fog light, its gotta work for the mot......

mrwoppit · Nov 12, 2012

The fog light turns out to be on a different switch.
Which means I did at least solve the mystery of what the other unmarked switch I have does

mrwoppit · Nov 15, 2012

Light dawns...
Literally.
It was indeed the interior lights. I had changed the bulbs but hadn't realised there was a bad electrical connection in the light unit itself as well as an isolator switch on the light unit.
Having repaired the wiring and de-isolated the unit it all works swimmingly

Thanks all.

ajb403 · Nov 15, 2012

Interior lights eh? Posh git

What does that do?

mrwoppit

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The Mad Hat Man

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Cockernee, Pasty munchin bastid.

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